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Sirio WY 108-3N 108-137 MHz Air Band 3 Element Yagi Antenna

  • Model: SIR-AVIA-103N
  • Shipping Weight: 3 lbs
  • 20 Units in Stock

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$149.00

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Base station antenna conceived by using an innovative feed system studied and applied to have highly symmetrical radiation pattern in both planes (E and H). It’s completely computer designed to get high performances of gain and front-to-back in the working band. All aluminium parts are protected by anodized treatment, hardware are of Stainless steel or zinc plated steel, mounting bracket is of extruded aluminium for the best strength and the connector is placed in rear position for an easily access. To increase the antenna gain please install it in vertical stacked array.

  • Base station antenna, Directional
  • Wide band, High-gain
  • Highly symmetrical radiation pattern in both planes (E and H)
  • Protection from static discharges DC-ground
  • Made of anodized aluminium alloy
  • Stacked and bayed array for more gain
  • Optional: tilting bracket for +-20°

  • Type: 3 elements yagi antenna
  • Frequency range 108-137 MHz No tuning required
    108-118 Mhz @ SWR <= 1.5
    118-137 Mhz @ SWR <= 2.0 (air - ground communication)
  • Impedance: 50Ω
  • Radiation (H-plane): beamwidth @ -3 dB = WY 140-3N: 140°
  • Radiation (E-plane): beamwidth @ -3 dB = 70°
  • Front to back ratio: ≥ 12 dB
  • Polarization: linear vertical or horizontal
  • Gain: 4.85 dBd - 7 dBi
  • Max. Power (CW) @ 30°C: 200 Watts
  • Grounding protection: All metal parts are DC-grounded, the inner conductor shows a DC short
  • Connector: N-female with rubber protection cap

  • Materials: Anodized 6063-T5 Aluminium, EPDM rubber, thermoplastic UV stabilized, Chromed brass
  • Wind load / resistance: 114 N @ 150 Km/h / 160 Km/h
  • Wind surface: 0.071 m²
  • Dimensions (L x W approx.): Dimensions (L x W approx.): 1400 x 910 mm / 4.59 x 2.99 ft
  • Weight (approx.): 1860 gr / 4.1 lb
  • Tourning radius: WY 140-3N: 970 mm
  • Operating temperature: -40° C to +60° C
  • Mounting mast: Ø 35-52 mm

    • This product was added to our catalog on Saturday 06 April, 2024.

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